import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class TankClient extends Frame {
    public static final int GAME_WIDTH = 1375;
    public static final int GAME_HEIGHT = 746;

    Tank myTank = new Tank(1300, 700, true, Tank.Direction.STOP, this);

	Wall w1 = new Wall(240, 300, 30, 300, this), w2 = new Wall(340, 300, 400, 30, this);
	Wall w3 = new Wall(950, 400, 300, 30, this), w4 = new Wall(800, 300, 30, 300, this);

	List<Explode> explodes = new ArrayList<Explode>();
    List<Missile> missiles = new ArrayList<Missile>();
    List<Tank> tanks = new ArrayList<Tank>();
    Image offScreenImage = null;

    Blood b = new Blood();

    public void paint(Graphics g) {
        g.drawString("missiles count:" + missiles.size(), 10, 50);
        g.drawString("explodes count:" + explodes.size(), 10, 70);
        g.drawString("tanks    count:" + tanks.size(), 10, 90);
        g.drawString("tanks     life:" + myTank.getLife(), 10, 110);

        if (tanks.size() <= 0) {
            for (int i = 0; i < 30; i++) {
                tanks.add(new Tank(50 + 40 * (i + 1), 50, false, Tank.Direction.D, this));
                tanks.add(new Tank(50 + 40 * (i+1),100,false,Tank.Direction.D,this));
                tanks.add(new Tank(50 + 40 * (i+1),150,false,Tank.Direction.D,this));
                tanks.add(new Tank(50 + 40 * (i+1),500,false,Tank.Direction.D,this));
                tanks.add(new Tank(50 + 40 * (i+1),550,false,Tank.Direction.D,this));
            }
        }

        for (int i = 0; i < missiles.size(); i++) {
            Missile m = missiles.get(i);
            m.hitTanks(tanks);
            m.hitTank(myTank);
            // 设置子弹不能穿墙
            m.hitWall(w1);
            m.hitWall(w2);
			m.hitWall(w3);
			m.hitWall(w4);
            m.draw(g);

        }

        for (int i = 0; i < explodes.size(); i++) {
            Explode e = explodes.get(i);
            e.draw(g);
        }

        for (int i = 0; i < tanks.size(); i++) {
            Tank t = tanks.get(i);
            // 设置敌方坦克不能穿墙
            t.collidesWithWall(w1);
            t.collidesWithWall(w2);
			t.collidesWithWall(w3);
			t.collidesWithWall(w4);
			// 设置敌方坦克直接不能相互覆盖
			t.collidesWithTanks(tanks);
			t.draw(g);
        }

        myTank.draw(g);
        myTank.eat(b);
        b.draw(g);

        w1.draw(g);
        w2.draw(g);
		w3.draw(g);
		w4.draw(g);
		// 设置我方坦克不能穿墙
		myTank.collidesWithWall(w1);
        myTank.collidesWithWall(w2);
        myTank.collidesWithWall(w3);
        myTank.collidesWithWall(w4);

    }

    public void update(Graphics g) {
        if (offScreenImage == null) {
            offScreenImage = this.createImage(GAME_WIDTH, GAME_HEIGHT);
        }
        Graphics gOffScreen = offScreenImage.getGraphics();
        Color c = gOffScreen.getColor();
        gOffScreen.setColor(Color.cyan);
        gOffScreen.fillRect(0, 0, GAME_WIDTH, GAME_HEIGHT);
        gOffScreen.setColor(c);
        paint(gOffScreen);
        g.drawImage(offScreenImage, 0, 0, null);
    }

    public void lauchFrame() {
        for (int i = 0; i < 5; i++) {
            tanks.add(new Tank(50 + 40 * (i + 1), 50, false, Tank.Direction.D, this));
        }

        this.setSize(GAME_WIDTH, GAME_HEIGHT);
        this.setTitle("TankWar");
        this.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        this.setResizable(false);

        this.setBackground(Color.GREEN);

        this.addKeyListener(new KeyMonitor());

        setVisible(true);

        new Thread(new PaintThread()).start();
    }

    private class PaintThread implements Runnable {

        public void run() {
            while (true) {
                repaint();
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    private class KeyMonitor extends KeyAdapter {

        public void keyReleased(KeyEvent e) {
            myTank.keyReleased(e);
        }
        public void keyPressed(KeyEvent e) {
            myTank.keyPressed(e);
        }

    }


    public static void main(String[] args) {
        TankClient tc = new TankClient();
        tc.lauchFrame();
    }
}













